On OpenBSD, the prefix directory is named as follows:
0$ gmake --no-print-directory -C depends print-x86_64_openbsd_prefix
1x86_64_openbsd_prefix=/home/hebasto/dev/bitcoin/depends/amd64-unknown-openbsd7.6
This name does not match any pattern in depends/.gitignore
.
This PR resolves this issue.